What is the use of combiners in the hadoop framework?


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More Apache Hadoop Interview Questions

Mention what are the data components used by Hadoop?

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What is cloudera and why it is used?

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What is output format in hadoop?

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Can you explain how do ‘map’ and ‘reduce’ work?

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If a data Node is full how it's identified?

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What do you know about keyvaluetextinputformat?

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How can I install Cloudera VM in my system?

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What is the heartbeat used for?

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What happens to a NameNode that has no data?

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What is keyvaluetextinputformat?

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Can we have multiple entries in the master files?

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How is the distance between two nodes defined in Hadoop?

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